package 字符串拼接.Demo;

public class Demo01 {
    public static void main(String[] args) {
        String name = "Tom";
        System.out.println("Hello, " + name + "!");

        System.out.println("Ja" + "va" + " " + "8");

        System.out.println(1 + 2 + "3");
        System.out.println("1" + 2 + 3);
    }
}
